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require 'spec_helper'
include TablePrint
describe Column do
let(:c) {Column.new(:data => ["Once upon a time", "there was a dark and stormy night"], :name => :tagline)}
it "remembers its name as a string" do
c.name.should == "tagline"
end
it "exposes the array of data representing the column" do
c.data.should == ["Once upon a time", "there was a dark and stormy night"]
end
describe "#add_formatter" do
it "stores the formatter" do
f = {}
c.add_formatter(f)
c.formatters.should == [f]
end
end
describe "#formatter=" do
it "adds the formatters individually" do
c.should_receive(:add_formatter).twice
c.formatters = [{}, {}]
end
end
describe "#display_method" do
it "returns the column's display method as a string" do
c = Column.new(:display_method => :boofar)
c.display_method.should == "boofar"
end
it "doesn't turn a lambda display method into a string" do
lam = lambda{}
c = Column.new(:display_method => lam)
c.display_method.should == lam
end
it "defaults to the column name" do
c = Column.new(:name => :boofar)
c.display_method.should == "boofar"
end
end
describe "#data_width" do
it "reflects the width of the data set" do
c.data_width.should == 33
end
it "includes the title in the calculation" do
c.name = "a horse is a horse of course of course"
c.data_width.should == 38
end
end
describe "#width" do
context "when default width is specified" do
it "uses the default width" do
c.default_width = 10
c.stub(:data_width => 15)
c.stub(:max_width => 20)
c.width.should == 10
end
it "isn't limited by the config width" do
c.default_width = 40
c.stub(:data_width => 50)
c.stub(:max_width => 20)
c.width.should == 40
end
end
context "When default width is not specified" do
it "uses the data width" do
c.default_width = nil
c.stub(:data_width => 10)
c.stub(:max_width => 20)
c.width.should == 10
end
it "is limited by the config width" do
c.default_width = nil
c.stub(:data_width => 30)
c.stub(:max_width => 20)
c.width.should == 20
end
end
end
end
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